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Development of Retention Treatment Basin with Polymer Flocculation for CSO Treatment

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Abstract:

Combined sewer overflows (CSOs) are a significant source of pollution in the Detroit River. This study investigated the performance of a RTB with polymer flocculation and developed design parameters for a full-scale high-rate RTB to treat CSOs from the riverfront drainage area east of Caron Avenue in the City of Windsor, Ontario, Canada. It was demonstrated that the high-rate RTB facilities, identified as the preferred alternative for CSO treatment, would only need to be approximately 15% of the size of RTB facilities sized using conventional design criteria for primary settling facilities. This should markedly reduce the potential impacts on the natural environment because of significant construction cost savings and the smaller overall footprint.

Keywords: coagulation; combined sewer overflow; polymers; retention treatment basin

Document Type: Research Article

DOI: https://doi.org/10.2175/193864709793956086

Publication date: 2009-01-01

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